diff --git a/Makefile.FreeBSD b/Makefile.FreeBSD
index 78be857..182165b 100644
--- a/Makefile.FreeBSD
+++ b/Makefile.FreeBSD
@@ -28,7 +28,7 @@ OBJSUFFICS = .o
 DEFINEOPTION = -D
 COMPFILES = *~
 REMOVECOMMAND = rm -f
-AFTERCLEAN = (find . -type f -name "*.o" -delete && find src/ -type f -name "Makefile.var" -delete && find bin/ -type f -executable -delete) || true
+AFTERCLEAN = (find . -type f -name "*.o" -delete && find src/ -type f -name "Makefile.var" -delete && find bin/ -type f -perm +111 -delete) || true
 TYPECOMMAND = cat
 COMPATLIBS =
 MAKEFILE = Makefile.FreeBSD